FILTERING METHOD AND FILTER - Patent 1330873

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EP 1 330 873 A2

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(88)	Date of publication A3:
	25.07.2002

(43)	Date of publication:
	30.07.2003 Bulletin 2003/31

(21)	Application number: 01980589.4

(22)	Date of filing: 01.11.2001

(51)	International Patent Classification (IPC)⁷: H03H 17/04, H03H 17/06

(86)	International application number:
	PCT/FI0100/956

(87)	International publication number:
	WO 0203/7675 (10.05.2002 Gazette 2002/19)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

03.11.2000 FI 20002423

(71)	Applicant: Nokia Corporation
	02150 Espoo (FI)

(72)	Inventor:
	PIIRAINEN, Olli FIN-90100 Oulu (FI)

(74)	Representative: Karppinen, Olavi Arto et al
	Kolster Oy Ab,P.O. Box 148,Iso Roobertinkatu 23 00121 Helsinki 00121 Helsinki (FI)

(54)	FILTERING METHOD AND FILTER